<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio color="#c00000" :checked="isFinite" /><text>全选</text>
		</label>

		<!-- 合计 -->

		<view class="amount-box">
			合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
	</view>
</template>

<script>
	import {
		mapGetters,
		mapMutations,
		mapState
	} from 'vuex'

	export default {
		name: "my-settle",
		computed: {
			...mapGetters('m_cart', ['total', 'checkedCount', 'checkedGoodsAmount']),
			...mapGetters('m_user', ['addstr']),
			// token 是用户登录成功之后的 token 字符串
			...mapState('m_user', ['token']),
			...mapState('m_cart', ['cart']),

			//全选 是否相等 相等选中状态 不相等非选中状态
			isFinite() {
				return this.total === this.checkedCount
			}
		},
		data() {
			return {
				//倒计时秒数
				seconds: 3,
				//定时器的id
				timer: null
			};
		},
		methods: {
			...mapMutations('m_cart', ['updateAllGoodsState']),
			...mapMutations('m_user', ['updateRedirectInfo']),
			changeAllState() {
				// console.log(!this.isFinite);
				this.updateAllGoodsState(!this.isFinite)
			},
			//用户点击了结算按钮
			settlement() {
				// 判断是否勾选了要结算的商品
				if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品！')

				// 用户是否选择了收货地址
				if (!this.addstr) return uni.$showMsg('请选择收货地址！')

				//判断用户是否登录了
				// if (!this.token) return uni.$showMsg('请先登录！')
				if (!this.token) return this.delayNavigate()


				this.payOrder()
			},
			async payOrder() {
				// 1. 创建订单
				// 1.1 组织订单的信息对象
				const orderInfo = {
					// order_price:this.checkedGoodsAmount,
					order_price: 0.01,
					consignee_addr: this.addstr,
					goods: this.cart.filter(x => x.goods_state).map(x => ({
						goods_id: x.goods_id,
						goods_number: x.goods_count,
						goods_price: x.goods_price
					}))
				}

				// 1.2 发起请求创建订单
				const {
					data: res
				} = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
				if (res.meta.status !== 200) return nui.$showMsg('创建订单失败！')

				// 1.3 得到服务器响应的“订单编号”
				const orderNumber = res.message.order_number

				console.log(orderNumber);

				// 2. 订单预支付
				// 2.1 发起请求获取订单的支付信息
				const {
					data: res2
				} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', {
					order_number: orderNumber
				})
				// 2.2 预付订单生成失败
				if (res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败！')
				// 2.3 得到订单支付相关的必要参数
				const payInfo = res2.message.pay

				// console.log(payInfo);


				// 完成了支付，进一步查询支付的结果
				 const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
				// 检测到订单未支付
				if(res3.meta.status !== 400) return uni.$showMsg('订单未支付！')
				// 检测到订单支付完成
				uni.showToast({
				     title: '支付完成！',
				     icon: 'success'
				   })
			},
			//延迟导航到 my 页面
			delayNavigate() {
				// 把 data 中的秒数重置成 3 秒
				this.seconds = 3
				this.showTips(this.seconds)
				this.timer = setInterval(() => {
					this.seconds--
					if (this.seconds <= 0) {
						clearInterval(this.timer)


						uni.switchTab({
							url: '/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									// 跳转的方式
									openType: 'switchTab',
									// 从哪个页面跳转过去的
									from: '/pages/cart/cart'
								})
							}
						})

						return
					}

					this.showTips(this.seconds)
				}, 1000)
			},
			//展示倒计时提示消息
			showTips(n) {
				uni.showToast({
					icon: 'none',
					title: '请登录后结算！' + n + '秒之后自动跳转登陆页面',
					mask: true,
					duration: 1500
				})
			}
		}



	}
</script>

<style lang="scss">
	.my-settle-container {
		/* 底部固定定位 */
		position: fixed;
		bottom: 0;
		left: 0;
		/* 设置宽高和背景色 */
		width: 100%;
		height: 50px;
		background-color: white;
		display: flex;
		justify-content: space-around;
		align-items: center;
		font-size: 14px;
		padding-left: 5px;

		.radio {
			display: flex;
			align-items: center;
		}

		.amount-box {
			.amount {
				color: #c00000;
			}
		}

		.btn-settle {
			height: 50px;
			min-width: 100px;
			background-color: #c00000;
			color: white;
			line-height: 50px;
			text-align: center;
			padding: 0 20px;
		}
	}
</style>